22123474 has 8 divisors (see below), whose sum is σ = 33238908. Its totient is φ = 11043840.

The previous prime is 22123421. The next prime is 22123481. The reversal of 22123474 is 47432122.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 22024249 + 99225 = 4693^2 + 315^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7347 + ... + 9910.

Almost surely, 2^22123474 is an apocalyptic number.

22123474 is a deficient number, since it is larger than the sum of its proper divisors (11115434).

22123474 is a wasteful number, since it uses less digits than its factorization.

22123474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17900.

The product of its digits is 2688, while the sum is 25.

The square root of 22123474 is about 4703.5597157897. The cubic root of 22123474 is about 280.7271660219.

Adding to 22123474 its reverse (47432122), we get a palindrome (69555596).

The spelling of 22123474 in words is "twenty-two million, one hundred twenty-three thousand, four hundred seventy-four".